291 lines
8.1 KiB
C
291 lines
8.1 KiB
C
/* $NetBSD: libkern.h,v 1.47 2002/10/24 20:53:50 christos Exp $ */
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/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)libkern.h 8.2 (Berkeley) 8/5/94
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*/
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#ifndef _LIB_LIBKERN_LIBKERN_H_
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#define _LIB_LIBKERN_LIBKERN_H_
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#include <sys/types.h>
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#ifndef LIBKERN_INLINE
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#define LIBKERN_INLINE static __inline
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#define LIBKERN_BODY
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#endif
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LIBKERN_INLINE int imax __P((int, int)) __attribute__ ((unused));
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LIBKERN_INLINE int imin __P((int, int)) __attribute__ ((unused));
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LIBKERN_INLINE u_int max __P((u_int, u_int)) __attribute__ ((unused));
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LIBKERN_INLINE u_int min __P((u_int, u_int)) __attribute__ ((unused));
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LIBKERN_INLINE long lmax __P((long, long)) __attribute__ ((unused));
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LIBKERN_INLINE long lmin __P((long, long)) __attribute__ ((unused));
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LIBKERN_INLINE u_long ulmax __P((u_long, u_long)) __attribute__ ((unused));
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LIBKERN_INLINE u_long ulmin __P((u_long, u_long)) __attribute__ ((unused));
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LIBKERN_INLINE int abs __P((int)) __attribute__ ((unused));
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LIBKERN_INLINE int isspace __P((int)) __attribute__((__unused__));
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LIBKERN_INLINE int isascii __P((int)) __attribute__((__unused__));
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LIBKERN_INLINE int isupper __P((int)) __attribute__((__unused__));
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LIBKERN_INLINE int islower __P((int)) __attribute__((__unused__));
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LIBKERN_INLINE int isalpha __P((int)) __attribute__((__unused__));
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LIBKERN_INLINE int isdigit __P((int)) __attribute__((__unused__));
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LIBKERN_INLINE int isxdigit __P((int)) __attribute__((__unused__));
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LIBKERN_INLINE int toupper __P((int)) __attribute__((__unused__));
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LIBKERN_INLINE int tolower __P((int)) __attribute__((__unused__));
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#ifdef LIBKERN_BODY
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LIBKERN_INLINE int
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imax(int a, int b)
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{
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return (a > b ? a : b);
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}
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LIBKERN_INLINE int
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imin(int a, int b)
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{
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return (a < b ? a : b);
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}
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LIBKERN_INLINE long
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lmax(long a, long b)
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{
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return (a > b ? a : b);
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}
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LIBKERN_INLINE long
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lmin(long a, long b)
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{
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return (a < b ? a : b);
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}
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LIBKERN_INLINE u_int
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max(u_int a, u_int b)
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{
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return (a > b ? a : b);
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}
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LIBKERN_INLINE u_int
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min(u_int a, u_int b)
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{
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return (a < b ? a : b);
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}
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LIBKERN_INLINE u_long
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ulmax(u_long a, u_long b)
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{
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return (a > b ? a : b);
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}
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LIBKERN_INLINE u_long
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ulmin(u_long a, u_long b)
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{
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return (a < b ? a : b);
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}
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LIBKERN_INLINE int
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abs(int j)
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{
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return(j < 0 ? -j : j);
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}
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LIBKERN_INLINE int
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isspace(int ch)
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{
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return (ch == ' ' || (ch >= '\t' && ch <= '\r'));
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}
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LIBKERN_INLINE int
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isascii(int ch)
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{
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return ((ch & ~0x7f) == 0);
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}
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LIBKERN_INLINE int
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isupper(int ch)
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{
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return (ch >= 'A' && ch <= 'Z');
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}
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LIBKERN_INLINE int
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islower(int ch)
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{
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return (ch >= 'a' && ch <= 'z');
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}
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LIBKERN_INLINE int
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isalpha(int ch)
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{
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return (isupper(ch) || islower(ch));
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}
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LIBKERN_INLINE int
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isdigit(int ch)
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{
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return (ch >= '0' && ch <= '9');
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}
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LIBKERN_INLINE int
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isxdigit(int ch)
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{
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return (isdigit(ch) ||
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(ch >= 'A' && ch <= 'F') ||
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(ch >= 'a' && ch <= 'f'));
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}
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LIBKERN_INLINE int
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toupper(int ch)
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{
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if (islower(ch))
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return (ch - 0x20);
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return (ch);
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}
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LIBKERN_INLINE int
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tolower(int ch)
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{
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if (isupper(ch))
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return (ch + 0x20);
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return (ch);
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}
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#endif
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#ifdef NDEBUG /* tradition! */
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#define assert(e) ((void)0)
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#else
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#ifdef __STDC__
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#define assert(e) (__predict_true((e)) ? (void)0 : \
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__assert("", __FILE__, __LINE__, #e))
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#else
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#define assert(e) (__predict_true((e)) ? (void)0 : \
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__assert("", __FILE__, __LINE__, "e"))
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#endif
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#endif
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#ifndef DIAGNOSTIC
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#ifdef lint
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#define KASSERT(e) /* NOTHING */
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#else /* !lint */
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#define KASSERT(e) ((void)0)
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#endif /* !lint */
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#else
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#ifdef __STDC__
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#define KASSERT(e) (__predict_true((e)) ? (void)0 : \
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__assert("diagnostic ", __FILE__, __LINE__, #e))
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#else
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#define KASSERT(e) (__predict_true((e)) ? (void)0 : \
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__assert("diagnostic ", __FILE__, __LINE__, "e"))
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#endif
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#endif
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#ifndef DEBUG
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#ifdef lint
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#define KDASSERT(e) /* NOTHING */
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#else /* lint */
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#define KDASSERT(e) ((void)0)
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#endif /* lint */
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#else
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#ifdef __STDC__
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#define KDASSERT(e) (__predict_true((e)) ? (void)0 : \
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__assert("debugging ", __FILE__, __LINE__, #e))
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#else
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#define KDASSERT(e) (__predict_true((e)) ? (void)0 : \
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__assert("debugging ", __FILE__, __LINE__, "e"))
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#endif
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#endif
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#ifndef offsetof
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#define offsetof(type, member) \
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((size_t)(unsigned long)(&(((type *)0)->member)))
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#endif
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/* Prototypes for non-quad routines. */
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/* XXX notyet #ifdef _STANDALONE */
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int bcmp __P((const void *, const void *, size_t));
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void bzero __P((void *, size_t));
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/* #endif */
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/* Prototypes for which GCC built-ins exist. */
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void *memcpy __P((void *, const void *, size_t));
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int memcmp __P((const void *, const void *, size_t));
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void *memset __P((void *, int, size_t));
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#if __GNUC_PREREQ__(2, 95)
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#define memcpy(d, s, l) __builtin_memcpy(d, s, l)
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#define memcmp(a, b, l) __builtin_memcmp(a, b, l)
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#define memset(d, v, l) __builtin_memset(d, v, l)
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#endif
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char *strcpy __P((char *, const char *));
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int strcmp __P((const char *, const char *));
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size_t strlen __P((const char *));
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#if __GNUC_PREREQ__(2, 95)
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#define strcpy(d, s) __builtin_strcpy(d, s)
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#define strcmp(a, b) __builtin_strcmp(a, b)
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#define strlen(a) __builtin_strlen(a)
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#endif
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/* Functions for which we always use built-ins. */
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#ifdef __GNUC__
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#define alloca(s) __builtin_alloca(s)
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#endif
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/* These exist in GCC 3.x, but we don't bother. */
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char *strcat __P((char *, const char *));
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char *strncpy __P((char *, const char *, size_t));
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int strncmp __P((const char *, const char *, size_t));
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char *strchr __P((const char *, int));
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char *strrchr __P((const char *, int));
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char *strstr __P((const char *, const char *));
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/*
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* ffs is an instruction on vax.
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*/
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int ffs __P((int));
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#if __GNUC_PREREQ__(2, 95) && !defined(__vax__)
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#define ffs(x) __builtin_ffs(x)
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#endif
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void __assert __P((const char *, const char *, int, const char *))
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__attribute__((__noreturn__));
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u_int32_t
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inet_addr __P((const char *));
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char *intoa __P((u_int32_t));
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#define inet_ntoa(a) intoa((a).s_addr)
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void *memchr __P((const void *, int, size_t));
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void *memmove __P((void *, const void *, size_t));
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int pmatch __P((const char *, const char *, const char **));
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u_int32_t arc4random __P((void));
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void arc4randbytes __P((void *, size_t));
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u_long random __P((void));
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int scanc __P((u_int, const u_char *, const u_char *, int));
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int skpc __P((int, size_t, u_char *));
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int strcasecmp __P((const char *, const char *));
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int strncasecmp __P((const char *, const char *, size_t));
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u_long strtoul __P((const char *, char **, int));
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#endif /* !_LIB_LIBKERN_LIBKERN_H_ */
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